V-9939C
Microphone Adapter




- Provides contact closure
- 600 Ohms balanced and 50,000 Ohms inputs works with most microphones with push-to-talk switches
- Built-in microphone preamplifier
- Mounts at microphone location
- Provides a set of form "C" contacts
- May be connected to a selected zone of a multi-zone paging system
- Connector terminals for all connections
Overview
Valcom's V-9939C Microphone Adapter connects Valcom's dynamic microphones to our paging systems. The V-9939C works with most microphones with push-to-talk switches.
Specifications
AUDIO INPUT
Input impedance: Low Z or Hi Z
AUDIO OUTPUT
Output impedance: 600 Ohms
Output level: -10dBm nominal
POWER REQUIREMENTS
40 mA @ -24 Vdc
AUXILIARY RELAYS
One form C relay contacts
ENVIRONMENT
Temperature: 0 to 50°C
Humidity: 0 to 85% non-precipitating
HOUSING & FINISH
Gray painted aluminum alloy
DIMENSIONS & WEIGHT
Dimensions:
8.25in H x 4.50in W x 2.35in D
(20.95cm x 11.43cm x 5.97cm)
Weight: 0.70lbs (0.32kg)